写入串口

假设你在这个例子中创建了串口对象 s ，那么

% Write one byte
fwrite(s, 255);

% Write one 16-bit signed integer
fwrite(s, 32767, 'int16');

% Write an array of unsigned 8-bit integers
fwrite(s,[48 49 50],'uchar');

% Close the serial port
fclose(s);